diff options
Diffstat (limited to 'lib/libc/stdlib')
| -rw-r--r-- | lib/libc/stdlib/alloca.3 | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/lib/libc/stdlib/alloca.3 b/lib/libc/stdlib/alloca.3 index 47e9b97143a..5252ba586f2 100644 --- a/lib/libc/stdlib/alloca.3 +++ b/lib/libc/stdlib/alloca.3 @@ -25,9 +25,9 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" $OpenBSD: alloca.3,v 1.13 2013/06/05 03:39:23 tedu Exp $ +.\" $OpenBSD: alloca.3,v 1.14 2015/01/17 18:01:43 tedu Exp $ .\" -.Dd $Mdocdate: June 5 2013 $ +.Dd $Mdocdate: January 17 2015 $ .Dt ALLOCA 3 .Os .Sh NAME @@ -51,9 +51,7 @@ function returns a pointer to the beginning of the allocated space. .Sh SEE ALSO .Xr pagesize 1 , .Xr brk 2 , -.Xr calloc 3 , -.Xr malloc 3 , -.Xr realloc 3 +.Xr malloc 3 .\" .Sh HISTORY .\" The .\" .Fn alloca @@ -62,10 +60,10 @@ function returns a pointer to the beginning of the allocated space. .\" The function appeared in 32v, pwb and pwb.2 and in 3bsd 4bsd .\" The first man page (or link to a man page that I can find at the .\" moment is 4.3... -.Sh BUGS +.Sh CAVEATS The .Fn alloca -function is slightly unsafe because it cannot ensure that the pointer +function is unsafe because it cannot ensure that the pointer returned points to a valid and usable block of memory. The allocation made may exceed the bounds of the stack, or even go further into other objects in memory, and |